相关实验视频
Updated: Jun 16, 2025

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Remote Laboratory Management: Respiratory Virus Diagnostics
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风扇遥控系统对通信故障和网络中断的可靠性和安全性测试
Yi Zhang1, Bragadeesh Aroulmozhi1, David Arney1
1Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Cambridge, MA 02139, USA.
Military medicine
|August 20, 2024
概括
远程通风器控制系统在网络中断的情况下进行了安全和可用性测试. NKV-550通风机显示出强度,但NK-DocBox系统需要特定的网络服务质量 (QoS) 才能保持安全.
科学领域:
- 生物医学工程 生物医学工程
- 医疗设备互操作性 医疗设备互操作性
- 关键的护理技术 关键的护理技术
背景情况:
- 随着COVID-19的流行,人们需要远程控制呼吸机,以保护医疗保健工作者和改善患者护理.
- 远程控制可以将专门的临床专业知识扩展到诸如远程临床护理和军事医学等多样化的环境.
- 通信故障和网络中断对远程通风机控制系统的安全性和有效性构成风险.
研究的目的:
- 在模拟通信故障和网络中断的情况下,评估远程通风机控制系统 (NK-DocBox) 的稳定性,可用性和安全性.
- 建立对远程通风机控制技术的安全要求和测试方法的共识.
- 为了评估NKV-550重症监护呼吸器的性能,具有远程控制功能.
主要方法:
- 开发了两种测试方法来评估控制NKV-550通风器的NK-DocBox系统.
- 通过基于OpenICE的应用程序使用高频和错误的远程控制命令测试了通风机的稳定性.
- 使用网络模拟器模拟各种网络服务质量 (QoS) 退化 (带宽,延迟,动,数据包丢失,位错误).
主要成果:
- NKV-550通风机正确处理高频命令,并忽略了无效的参数调整.
- 除了包重新排序之外,网络 QoS 退化干扰了 NK-DocBox 系统的远程控制功能.
- 网络延迟>500ms,动>100ms,数据丢失率>1%,带宽<12 Mbps,或位错误率>1e-6.0的系统变得不安全.
结论:
- 测试方法证实了NKV-550通风机的稳定性,并量化了网络中断对NK-DocBox系统的影响.
- 确定了NK-DocBox系统安全运行的最低网络 QoS 要求.
- 开发的测试方法可用于评估其他远程医疗器械控制系统的通信故障.
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